b09ba42620
attribute((__aligned__)) is present but ignored` In the original code, the 'getDeclAlignIfRequired' function is used. The 'getDeclAlignIfRequired' function will return the max alignment of all aligned attributes if the type has aligned attributes. The function doesn't consider the type at all. The 'getTypeAlignIfRequired' function uses the type's alignment value, which also used by the 'alignof' function. I think we should use the function of 'getTypeAlignIfRequired'. Reviewed By: dblaikie, jmorse, wolfgangp Differential Revision: https://reviews.llvm.org/D124006
28 lines
900 B
C++
28 lines
900 B
C++
// Test for debug info related to DW_AT_alignment attribute in the struct type.
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// RUN: %clang_cc1 -dwarf-version=5 -debug-info-kind=standalone -S -emit-llvm %s -o - | FileCheck %s
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// CHECK-DAG: DICompositeType(tag: DW_TAG_structure_type, name: "MyType", {{.*}}, align: 32
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// CHECK-DAG: DICompositeType(tag: DW_TAG_structure_type, name: "MyType1", {{.*}}, align: 8
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// CHECK-DAG: DICompositeType(tag: DW_TAG_structure_type, name: "MyType2", {{.*}}, align: 8
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struct MyType {
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int m;
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} __attribute__((aligned(1)));
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MyType mt;
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static_assert(alignof(MyType) == 4, "alignof MyType is wrong");
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struct MyType1 {
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int m;
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} __attribute__((packed, aligned(1)));
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MyType1 mt1;
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static_assert(alignof(MyType1) == 1, "alignof MyType1 is wrong");
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struct MyType2 {
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__attribute__((packed)) int m;
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} __attribute__((aligned(1)));
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MyType2 mt2;
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static_assert(alignof(MyType2) == 1, "alignof MyType2 is wrong");
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